| JIS | ISO | UK | ASTM | CHEMICAL CONPOXITION | ||||||||
| SI% | Cu% | Mg% | Zn% | Fe% | Mn% | Ni% | Ti% | Cr% | ||||
| AC1B | AI-Cu4MgTi | 204.0 | - | Max 0.30 | 4.5-5.0 | 0.15-0.35 | Max 0.10 | Max 0.35 | Max 0.10 | Max 0.05 | 0.05-0.35 | Max 0.05 |
| AC2A | - | - | - | 4.0-6.0 | 3.0-4.5 | Max 0.25 | Max 0.55 | Max 0.8 | Max 0.55 | Max 0.30 | Max 0.20 | Max 0.15 |
| AC2B | - | 319.0 | LM-4 | 5.0-7.0 | 2.0-4.0 | Max 0.50 | Max 0.10 | Max 1.0 | Max 0.50 | Max 0.35 | Max 0.20 | Max 0.20 |
| AC3A | - | - | LM-6 | Max 0.25 | Max 0.15 | Max 0.30 | Max 1.8 | Max 0.35 | Max 0.10 | Max 0.20 | Max 0.15 | - |
| AC4A | - | - | - | 8.0-10.0 | Max 0.25 | 0.3-0.6 | Max 0.25 | Max 0.55 | 0.30-0.60 | Max 0.10 | Max 0.20 | Max 0.15 |
| AC4B | - | 333.0 | - | 7.0-10.0 | 2.0-4.0 | Max 0.50 | Max 1.0 | Max 1.0 | Max 0.50 | Max 0.35 | Max 0.20 | Max 0.20 |
| AC4C | AI-Si7Mg[Fe] | 356.0 | LM-5 | 6.5-7.5 | Max 0.20 | 0.20-0.40 | Max 0.3 | Max 0.50 | Max 0.60 | Max 0.05 | Max 0.20 | - |
| AC4CH | AI-Si7Mg | A356.0 | - | 6.5-7.5 | Max 0.10 | 0.25-0.45 | Max 0.10 | Max 0.20 | Max 0.10 | Max 0.05 | Max 0.20 | Max 0.05 |
| AC4D | AI-Si5Cu1Mg | 355.0 | LM-16 | 4.5-5.5 | 1.0-1.5 | 0.4-0.6 | Max 0.5 | Max 0.60 | Max 0.50 | Max 0.3 | Max 0.20 | - |
| AC5A | AI-Cu4Ni2Mg2 | 242.0 | - | Max 0.70 | 3.5-4.5 | 1.2-1.8 | Max 0.10 | Max 0.70 | Max 0.60 | 1.7-2.3 | Max 0.20 | Max 0.20 |
| AC74 | - | 514.0 | LM-5 | Max 0.20 | Max 0.10 | 3.5-5.5 | Max 0.15 | Max 0.30 | Max 0.60 | Max 0.05 | Max 0.20 | Max 0.15 |